About Below The Waterline Diving Service

We immerse ourselves in your boat bottom cleaning concerns.
Below The Waterline Diving Service is equipped with the best divers, professional gear and an unparalleled experience of 25 years in the underwater maintenance business. Our customers choose us because they are aware of our familiarity in serving a broad range of boats in Marina Del Rey.

BTW provides end-to-end solutions for customers in Marina Del Rey, including hull cleaning, installations and quality control. When we undertake an underwater boat cleaning task, we check and re-check our own performance to give you top-notch results. Giving our customers their money’s worth is a belief that drives our business.

In addition, we are fully insured and are proud members of the California Professional Divers Association. The company and all our divers are trained and certified with this organization. Our customers are the direct beneficiaries of this edge that we have gained over the last two-and-a-half decades of service.